A12 Ry
b. OURY 1.12 1-9
42: How much work will be done in moving a 10 kg object residing on a horizontal plane
through a distance of 10 meter (assume m= 0.15)?
A: 1.5 m-kg B: 15 m-kg
C:0.15 m-kg D: 150 m-kgहाउ मच वर्क विल बी डन इन मूविंग कॉटन के जॉब जैक्टली सेटिंग ऑन होरिजेंटल प्लेन थ्रू ए डिस्टेंस ऑफ 10 मीटर इज इक्वल टू जीरो
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Given, massof1brick=mkg;
totalno.ofbricks=n
∴Totalmassofbricks,M=n×m
Force exerted by the labourer in carrying n bricks,
F=M×g=n×m×g=nmgNewton
Displacement of the bricks, s=hmetre
Work done by the labourer,
W=F×s=(mng)×(h)=mngh J
Renusingh198383:
this is right
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